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Finding the Fourth Proportional to 363,984.30, 545,976.45 and 223,821.90

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Solution

The fourth proportional to 363,984.30, 545,976.45 and 223,821.90 is: 335,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,984.30 : 545,976.45 = 223,821.90 : x
  2. Step 2: Convert to fraction form
    363,984.30/545,976.45 = 223,821.90/x
  3. Step 3: Cross multiply
    363,984.30x = 545,976.45 × 223,821.90
  4. Step 4: Simplify right side
    363,984.30x = 122,201,486,394.26
  5. Step 5: Solve for x
    x = 122,201,486,394.26/363,984.30
  6. Step 6: Final answer
    x = 335,732.85

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.